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Issue 37, 2018
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Solvent-free synthesis and room temperature proton conductivity of new cobalt phosphite–oxalates

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Abstract

Two new cobalt phosphite–oxalates, formulated as Co2(H2PO3)2(C2O4)3(C6N2H16)2 (1) and Co2(H2PO3)2(C2O4)2(C6N2H16) (2), have been synthesized under solvent-free conditions. Single-crystal X-ray diffraction analysis reveals that compound 1 has a 1D chain-like structure decorated with phosphite groups. It is noted that there are two coordination modes of oxalate ligands in the structure. Compound 2 is a 2D distorted honeycomb-like layered open-framework structure with 12-membered ring windows. Notably, compound 2 possesses room temperature proton conductivity. Extensive hydrogen bonds existing between the host framework and guest part play an important role as proton-conducting pathways.

Graphical abstract: Solvent-free synthesis and room temperature proton conductivity of new cobalt phosphite–oxalates

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Article information


Submitted
20 Jul 2018
Accepted
15 Aug 2018
First published
16 Aug 2018

CrystEngComm, 2018,20, 5544-5550
Article type
Paper

Solvent-free synthesis and room temperature proton conductivity of new cobalt phosphite–oxalates

F. Gao, L. Huang, Z. Xiu, Y. Yin, Y. Ma, Y. Bi and Z. Zheng, CrystEngComm, 2018, 20, 5544
DOI: 10.1039/C8CE01198B

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